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基于kNN的手写字体识别——《机器学习实战》笔记
看完一节《机器学习实战》,算是踏入ML的大门了吧!这里就详细讲一下一个demo:使用kNN算法实现手写字体的简单识别 kNN 先简单介绍一下kNN,就是所谓的K-近邻算法: 【作用原理】:存在一个样本数据集合、每个样本数据都存在标签。输入没有标签的新数据后,将新数据的每个特征与样本集数据的对应特征进 ...
分类:其他好文   时间:2017-01-31 00:33:23    阅读次数:400
POJ1269 Intersecting Lines[线段相交 交点]
Intersecting Lines Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 15145 Accepted: 6640 Description We all know that a pair of distinct poi ...
分类:其他好文   时间:2017-01-28 10:45:15    阅读次数:239
POJ2318 TOYS[叉积 二分]
TOYS Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 14433 Accepted: 6998 Description Calculate the number of toys that land in each bin of ...
分类:其他好文   时间:2017-01-26 23:17:39    阅读次数:290
POJ 2421 Constructing Roads
Constructing Roads Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 23309 Accepted: 9997 Description There are N villages, which are numbere ...
分类:其他好文   时间:2017-01-24 14:54:29    阅读次数:261
C# 数组
int[] arr1; int[] arr; arr = new int[5]; // create a 5 element integer array int[] arr2Lines; arr2Lines = new int[5] {1, 2, 3, 4, 5}; int[] arr1Line =... ...
分类:编程语言   时间:2017-01-20 16:23:04    阅读次数:205
通过直接编码添加折线图到ChartControl
https://documentation.devexpress.com/#WindowsForms/CustomDocument2976 ...
分类:其他好文   时间:2017-01-19 18:33:34    阅读次数:323
如题,properties配置文件在项目中是经常用到的,那么读取properties配置文件的方法有哪些呢?
方法一:可以通过java.util.Properties类的load()方法 1 InputStreamin=lnewBufferedInputStream(newFileInputStream(name)); 2 Propertiesp=newProperties(); 3 p.load(in); ...
分类:其他好文   时间:2017-01-19 14:09:05    阅读次数:265
Tricks about debug
Add macros in header files: Add following lines to makefile: ...
分类:其他好文   时间:2017-01-18 16:12:58    阅读次数:328
HDU1914 稳定婚姻匹配
The Stable Marriage Problem Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 758 Accepted Submissi ...
分类:其他好文   时间:2017-01-18 13:54:44    阅读次数:234
HDU 1591 Encoded Love-letter(简单字符串)
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1780 Accepted Submission(s): 635 Problem Descript ...
分类:Web程序   时间:2017-01-17 10:41:27    阅读次数:283
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